diff --git a/src/commands/ask.ts b/src/commands/ask.ts
index ea39da7..d5a1d30 100644
--- a/src/commands/ask.ts
+++ b/src/commands/ask.ts
@@ -56,7 +56,23 @@ export default class Ask extends Command implements Command {
       });
       return;
     }
-    
+
+    const userLimit = await config.quota.checkUser(interaction.user, interaction);
+
+    if (userLimit.used >= userLimit.quota) {
+      interaction.reply({
+
+        embeds: [{
+          color: 0xff0000,
+          description: "You've used up your quota,\n" + userLimit.toString(),
+        }],
+        ephemeral: true,
+      }).catch(e => {
+        console.error("Failed to reply to user: ", e);
+      });
+      return;
+    }
+
     // TODO: check content in moderation API
 
     const messages: ChatCompletionMessageParam[] = [
diff --git a/src/execution.ts b/src/execution.ts
index 579a435..8c550af 100644
--- a/src/execution.ts
+++ b/src/execution.ts
@@ -191,7 +191,8 @@ function logUsedTokens(
         // it doesn't make sense to store usage in database if we don't know where it came from
         return;
       }
-      const channelName: string = !message.channel ? "[No channel]"
+      const channelName: string = !message.channelId ? "[No channel]"
+        : !message.channel ? `[Unknown channel: ${message.channelId}]`
         : !message.channel.isDMBased() ? `#${message.channel.name} (${message.guild?.name})`
         : `#@${getAuthor(message).tag}`
       ;